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1 | # Copyright (C) 2008 Free Software Foundation, Inc. |
| 2 | # |
| 3 | # This file is part of GCC. |
| 4 | # |
| 5 | # GCC is free software; you can redistribute it and/or modify |
| 6 | # it under the terms of the GNU General Public License as published by |
| 7 | # the Free Software Foundation; either version 3, or (at your option) |
| 8 | # any later version. |
| 9 | # |
| 10 | # GCC is distributed in the hope that it will be useful, |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | # GNU General Public License for more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License |
| 16 | # along with GCC; see the file COPYING3. If not see |
| 17 | # <http://www.gnu.org/licenses/>. |
| 18 | |
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19 | # Compile the extra library functions. |
| 20 | |
| 21 | LIB2FUNCS_EXTRA = \ |
| 22 | $(srcdir)/config/picochip/libgccExtras/ashrsi3.asm \ |
| 23 | $(srcdir)/config/picochip/libgccExtras/ashlsi3.asm \ |
| 24 | $(srcdir)/config/picochip/libgccExtras/divmodhi4.asm \ |
| 25 | $(srcdir)/config/picochip/libgccExtras/udivmodhi4.asm \ |
| 26 | $(srcdir)/config/picochip/libgccExtras/divmodsi4.asm \ |
| 27 | $(srcdir)/config/picochip/libgccExtras/udivmodsi4.asm \ |
| 28 | $(srcdir)/config/picochip/libgccExtras/divmod15.asm \ |
| 29 | $(srcdir)/config/picochip/libgccExtras/ucmpsi2.asm \ |
| 30 | $(srcdir)/config/picochip/libgccExtras/cmpsi2.asm \ |
| 31 | $(srcdir)/config/picochip/libgccExtras/clzsi2.asm \ |
| 32 | $(srcdir)/config/picochip/libgccExtras/adddi3.asm \ |
| 33 | $(srcdir)/config/picochip/libgccExtras/subdi3.asm \ |
| 34 | $(srcdir)/config/picochip/libgccExtras/lshrsi3.asm \ |
| 35 | $(srcdir)/config/picochip/libgccExtras/parityhi2.asm \ |
| 36 | $(srcdir)/config/picochip/libgccExtras/popcounthi2.asm |
| 37 | |
| 38 | # Prevent some of the more complicated libgcc functions from being |
| 39 | # compiled. This is because they are generally too big to fit into an |
| 40 | # AE anyway, so there is no point in having them. Also, some don't |
| 41 | # compile properly so we'll ignore them for the moment. |
| 42 | |
| 43 | LIB1ASMFUNCS = _mulsc3 _divsc3 |
| 44 | LIB1ASMSRC = picochip/libgccExtras/fake_libgcc.asm |
| 45 | |
| 46 | # Turn off the building of exception handling libraries. |
| 47 | LIB2ADDEH = |
| 48 | LIB2ADDEHDEP = |
| 49 | |
| 50 | # Turn off ranlib on target libraries. |
| 51 | RANLIB_FOR_TARGET = cat |
| 52 | |
| 53 | # Special libgcc setup. Make single/double floating point the same, |
| 54 | # and use our own include files. |
| 55 | TARGET_LIBGCC2_CFLAGS = -DDF=SF -I../../includes/ |
| 56 | |
| 57 | # Switch off all debugging for the embedded libraries. |
| 58 | # (embedded processors need small libraries by default). |
| 59 | # NOTE: If the debug level is increased, turn off instruction scheduling. |
| 60 | LIBGCC2_DEBUG_CFLAGS = -g0 |
| 61 | |
| 62 | # Build all combinations of library for different multiply units, and |
| 63 | # presence/absence of byte access. |
| 64 | MULTILIB_OPTIONS = mmul-type=none/mmul-type=mac/mmul-type=mul mno-byte-access/mbyte-access |
| 65 | |
| 66 | # Using a mul unit (currently) implies that byte access is available. |
| 67 | MULTILIB_EXCEPTIONS = mmul-type=mul/mno-byte-access |
| 68 | |
| 69 | # We want fine grained libraries, so use the new code |
| 70 | # to build the floating point emulation libraries. |
| 71 | FPBIT = fp-bit.c |
| 72 | |
| 73 | # Software floating point support. Floating point is not properly |
| 74 | # supported, but is existence can be useful for some types of testing. |
| 75 | fp-bit.c: $(srcdir)/config/fp-bit.c |
| 76 | echo '#define FLOAT' > fp-bit.c |
| 77 | echo '#define FLOAT_ONLY' >> fp-bit.c |
| 78 | echo '#define SMALL_MACHINE' >> fp-bit.c |
| 79 | cat $(srcdir)/config/fp-bit.c >> fp-bit.c |
| 80 | |
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